QTJ425 QT425 hydraulic concrete block making machine fully automatic paver block making machine

Product Description

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   • The QT4-25B automatic block machine stands out for its automatic control PLC, high output capacity, and strong vibration technology, ensuring the production of strong, uniform, and high-quality blocks. It is capable of producing a wide variety of concrete products, including hollow bricks, solid blocks, paver stones, and interlocking bricks—all using interchangeable molds.

     This machine is a popular choice among construction material manufacturers due to its energy efficiency, low maintenance, and easy operation.

Applications:

Fully automatic,

Raw materials are generally cement, sand, gravels, crushed stone powder, slags, fly ash, ect, depending on customers' choice.

A. 8-10% cement, 30-40% sand, 50-60% crushed stone

B. 8-10% cement, 30% flyash, 60% sand or stone powder The diameter of sand and stones need to be less than 15mm, if produce paver interlocking brick, need color iron.

1. High Efficiency and Output

• The QT4-25B is capable of producing up to 4,000–5,000 blocks per 8-hour shift (standard 8 inches hollow blocks 400×200×200mm).
• Its fast cycle time (15–25 seconds per cycle) ensures high productivity with consistent quality.

2. Advanced Vibration System

• Equipped with a powerful vibration motor and a vibration platform to provide strong force.
• Gurantee the density, strength, and surface finished of blocks.

3. Automatic Operation

• Equiped with a automatic feeding with automatic moulding and demoulding, making it user-friendly and cost-effective.
• Reduces labors while maintaining and operating.

4. Durable Construction

• Built with Q235B steel and precision welding for long service life.
• With a reliable electric cabinet to ensure the machine working stability.

5. Various Mould Options

• Changeable moulds allow production of various block shapes and sizes.
• Quick mould change system for minimal downtime during production.

Why Choose QT4-25B?

• ✅ Efficient and large production
• ✅ Various block designs with quick mould changes
• ✅ Durable machinery frame for long-term use
• ✅ Ideal for emerging and growing construction businesses
• ✅ Low operational cost with minimal labors

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Specification

Block size	Qty/mold	Cycle time	Qty/Hour	Qty/8 hours
Hollow block 400x200x200mm	4pcs	25-30s	480-576pcs	3840-4608pcs
Hollow block 400x150x200mm	5pcs	25-30s	600-720pcs	4800-5760pcs
Hollow block 400x100x200mm	7pcs	25-30s	840-1008pcs	6720-8064pcs
Solid brick 240x110x70mm	20pcs	25-30s	2400-2880pcs	19200-23040pcs
Holland paver 200x100x60mm	14pcs	25-30s	1680-2016pcs	13440-16128pcs
Zigzag paver 225x112.5x60mm	12pcs	25-30s	1440-1728pcs	11520-13824pcs

Customer Photos

Packing & Delivery